InChI=1/C16H23N3O2/c17-15(20)13-10-11-4-3-6-14(11)19-16(13)21-9-7-12-5-1-2-8-18-12/h10,12,18H,1-9H2,(H2,17,20)/p+1/t12-/m1/s1/fC16H24N3O2/h18H,17H2/q+1 8F44B15A55C83E62